Plan 9 from Bell Labs’s /usr/web/sources/contrib/rsc/86b/main.c
#include <u.h> #include <libc.h> #include "dat.h" #include "fns.h" void main(int argc, char **argv) { for(;;){ switch(yyparse()){ case 1: print("."); break; case 0: exits(nil); } } }